Bias Power Supply for TFT LCD Panels CXLC8994 CXLC8994A/S includes a high-performance boost regulator, a VCOM buffer (unity gain OPA), a VGH charge pump driver, and a VGL charge pump driver for active

发布时间:2020-04-06 09:43:38 浏览次数:722 作者:嘉泰姆
摘要:Bias Power Supply for TFT LCD Panels CXLC8994 CXLC8994A/S includes a high-performance boost regulator, a VCOM buffer (unity gain OPA), a VGH charge pump driver, and a VGL charge pump driver for active

目录

1.产品概述       2.产品特点     Mcz嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)</span>Mcz嘉泰姆

5.产品封装       6.电路原理图</strong>  Mcz嘉泰姆

7.相关产品Mcz嘉泰姆

   产品概述 返回TOPMcz嘉泰姆


The CXLC8994 CXLC8994A/S includes a high-performance boost regulator, a VCOM buffer (unity gain OPA), a VGH charge pump driver, and a VGL charge pump driver for active-matrix thin-film transistor (TFT) liquid-crystal displays (LCDs). The boost converter provides the regulated supply voltage for the panel source driver ICs. The converter is a high switching frequency (1.2MHz) current mode regulator with an integrated 20V N-Channel 0.7Ω MOSFET that allows the use of ultra-small inductors and ceramic capacitors. It provides fast transient response to pulsed loading while achieving efficiency over 90%. The device can produce output voltage as high as 18V from an input as low as 2.8V. The VCOM buffer can drive the LCD VCOM voltage that features high short-circuit current (150mA), fast slew rate (12V/μs), wide bandwidth (12MHz) and rail-to-rail input/output. A positive and a negative charge-pump driver provide adjustable regulated output voltages VGH and VGL to bias the TFT. Both the charge-pump driver operate with 600kHz switching frequency. The CXLC8994 CXLC8994A/S includes internal power-up sequencing, over/under voltage protections of the boost converter, and over temperature protection to ensure in safe operating. The CXLC8994 CXLC8994A/S are available in a 16-pin 3X3TQFN packages.

   产品特点 返回TOPMcz嘉泰姆


 „ 2.5V to 5.5V Input Supply Range Mcz嘉泰姆

„ 1.2MHz Current-Mode Boost Regulator Mcz嘉泰姆

Š Fast Transient Response to Pulse Load Mcz嘉泰姆

Š ±1% Accurate Output Voltage Mcz嘉泰姆

Š Built-In 20V/1.8A, 0.7Ω N-Channel MOSFET Mcz嘉泰姆

Š High Efficiency up to 90% Mcz嘉泰姆

Š Over-Current Protection Mcz嘉泰姆

Š Output Under-Voltage Protection Mcz嘉泰姆

„ High-Performance Operational Amplifier Mcz嘉泰姆

Š ±150mA Output Short-Circuit Current Mcz嘉泰姆

Š 12V/μs Slew Rate Mcz嘉泰姆

Š 12MHz, -3dB Bandwidth Mcz嘉泰姆

Š Rail-to-Rail Input and Output Mcz嘉泰姆

„ 600kHz Negative Charge Pump Driver for VGL Mcz嘉泰姆

„ 600kHz Positive Charge Pump Driver for VGH Mcz嘉泰姆

„ Power-On Sequence Control Mcz嘉泰姆

„ Thermal-Overload Protection Mcz嘉泰姆

„ TQFN3X3-16 PackageMcz嘉泰姆

   应用范围 返回TOPMcz嘉泰姆


„ Photo Frame Mcz嘉泰姆

„ GPS Mcz嘉泰姆

„ UMPCMcz嘉泰姆

   技术规格书(产品PDF) 返回TOP Mcz嘉泰姆


     需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持</span>!</span>
Mcz嘉泰姆

 QQ截图20160419174301.jpgMcz嘉泰姆

产品封装图&nbsp;返回TOPMcz嘉泰姆


image.pngMcz嘉泰姆

电路原理图&nbsp;返回TOPMcz嘉泰姆

Mcz嘉泰姆


Mcz嘉泰姆

a

相关芯片选择指南 返回TOP                      更多同类产品......


Mcz嘉泰姆

Integrated   PMIC for LCDMcz嘉泰姆

Part NO.Mcz嘉泰姆

Vin(V)Mcz嘉泰姆

min.Mcz嘉泰姆

Vin(V)Mcz嘉泰姆

max.Mcz嘉泰姆

FSWMcz嘉泰姆

(kHz)Mcz嘉泰姆

ILXMcz嘉泰姆

(A)Mcz嘉泰姆

VLXMcz嘉泰姆

(V)Mcz嘉泰姆

OPAS/Mcz嘉泰姆

R(V/μsMcz嘉泰姆

OPAIMcz嘉泰姆

SCmAMcz嘉泰姆

NoteMcz嘉泰姆

PackageMcz嘉泰姆

CXLC8984Mcz嘉泰姆

2.5Mcz嘉泰姆

5.5Mcz嘉泰姆

1200Mcz嘉泰姆

3Mcz嘉泰姆

18Mcz嘉泰姆

40Mcz嘉泰姆

200Mcz嘉泰姆

Async-Boost,VGH/VGL Charge-Pump,Mcz嘉泰姆

VCOM,GPM, Voltage DetectorMcz嘉泰姆

TQFN4X4-24Mcz嘉泰姆

CXLC8985Mcz嘉泰姆

2.5Mcz嘉泰姆

5.5Mcz嘉泰姆

1200Mcz嘉泰姆

1.8Mcz嘉泰姆

20Mcz嘉泰姆

12Mcz嘉泰姆

150Mcz嘉泰姆

Async-Boost, VCOM,VGH/VGL Charge-Pump,Mcz嘉泰姆

1-CH   WLED Driver with EN,LXB=20V/1.2AMcz嘉泰姆

TQFN4X4-24Mcz嘉泰姆

CXLC8986Mcz嘉泰姆

2.5Mcz嘉泰姆

5.5Mcz嘉泰姆

1200Mcz嘉泰姆

2Mcz嘉泰姆

20Mcz嘉泰姆

12Mcz嘉泰姆

200Mcz嘉泰姆

Async-Boost,VGL Regulator,LDO,GPM,OPA,Mcz嘉泰姆

Voltage Detector,6-CH WLED Driver,30mA/CHMcz嘉泰姆

TQFN5X5-40Mcz嘉泰姆

CXLC8987Mcz嘉泰姆

2.5Mcz嘉泰姆

5.5Mcz嘉泰姆

600Mcz嘉泰姆

2Mcz嘉泰姆

20Mcz嘉泰姆

12Mcz嘉泰姆

200Mcz嘉泰姆

Async-Boost,VGL Regulator,LDO,GPM,OPA,Mcz嘉泰姆

Voltage Detector,6-CH WLED Driver,30mA/CHMcz嘉泰姆

TQFN5X5-40Mcz嘉泰姆

CXLC8988Mcz嘉泰姆

2.6Mcz嘉泰姆

5.5Mcz嘉泰姆

600/Mcz嘉泰姆

1200Mcz嘉泰姆

3Mcz嘉泰姆

20Mcz嘉泰姆

20Mcz嘉泰姆

200Mcz嘉泰姆

Async-Boost,VGH Regulator,OPA*3,Buck-Boost VGL Mcz嘉泰姆

Temp. Compensation,7-CH-33V~+33V Level-ShifterMcz嘉泰姆

TQFN6X6-48Mcz嘉泰姆

CXLC8989Mcz嘉泰姆

2.6Mcz嘉泰姆

5.5Mcz嘉泰姆

600/Mcz嘉泰姆

1200Mcz嘉泰姆

--Mcz嘉泰姆

--Mcz嘉泰姆

20Mcz嘉泰姆

200Mcz嘉泰姆

Async-Boost,VGH Regulator,OPA*3,Buck-Boost VGL Mcz嘉泰姆

Temp. Compensation,7-CH-33V~+33V Level-ShifterMcz嘉泰姆

QFN6X6-48Mcz嘉泰姆

CXLC8990Mcz嘉泰姆

2.6Mcz嘉泰姆

5.5Mcz嘉泰姆

600/Mcz嘉泰姆

1200Mcz嘉泰姆

3Mcz嘉泰姆

20Mcz嘉泰姆

20Mcz嘉泰姆

200Mcz嘉泰姆

Async-Boost,VGH Regulator,OPA*3,BuckMcz嘉泰姆

-Boost VGL with Temp. Compensation Mcz嘉泰姆

QFN5X5-32Mcz嘉泰姆

CXLC8991Mcz嘉泰姆

8Mcz嘉泰姆

14Mcz嘉泰姆

750Mcz嘉泰姆

5Mcz嘉泰姆

24Mcz嘉泰姆

30Mcz嘉泰姆

200Mcz嘉泰姆

Async-Boost,Async-Buck, OPA,VGON and VGOFFMcz嘉泰姆

Regulator,GPM,VGH Temp. Compensation,I2CMcz嘉泰姆

TQFN6X6-40Mcz嘉泰姆

CXLC8992Mcz嘉泰姆

2.5Mcz嘉泰姆

5.5Mcz嘉泰姆

1200Mcz嘉泰姆

4.5Mcz嘉泰姆

18Mcz嘉泰姆

--Mcz嘉泰姆

--Mcz嘉泰姆

Async-Boost,   VGHM,VGH/VGOFF Charge-PumpMcz嘉泰姆

TQFN5X5-20Mcz嘉泰姆

CXLC8993Mcz嘉泰姆

2.5Mcz嘉泰姆

5.5Mcz嘉泰姆

1200Mcz嘉泰姆

3Mcz嘉泰姆

18Mcz嘉泰姆

40Mcz嘉泰姆

200Mcz嘉泰姆

Async-Boost,VGH/VGL Charge-Pump,Mcz嘉泰姆

VCOM, GPM,Voltage DetectorMcz嘉泰姆

TQFN4X4-24Mcz嘉泰姆

CXLC8994Mcz嘉泰姆

2.5Mcz嘉泰姆

5.5Mcz嘉泰姆

1200Mcz嘉泰姆

1.8Mcz嘉泰姆

20Mcz嘉泰姆

12Mcz嘉泰姆

150Mcz嘉泰姆

Async-Boost,VGH/VGL Charge-ump,VCOM,Mcz嘉泰姆

CXLC8994A With EN,CXLC8994S With XAOMcz嘉泰姆

TQFN3X3-16Mcz嘉泰姆

CXLC8994Mcz嘉泰姆

A/SMcz嘉泰姆

2.5Mcz嘉泰姆

5.5Mcz嘉泰姆

1200Mcz嘉泰姆

1.8Mcz嘉泰姆

20Mcz嘉泰姆

12Mcz嘉泰姆

150Mcz嘉泰姆

Async-Boost,VGH/VGL Charge-Pump,VCOM, Mcz嘉泰姆

CXLC8994A With EN,CXLC8994S With XAOMcz嘉泰姆

TQFN3X3-16Mcz嘉泰姆

CXLC8995Mcz嘉泰姆

/AMcz嘉泰姆

2.5Mcz嘉泰姆

5.5Mcz嘉泰姆

640/Mcz嘉泰姆

1200Mcz嘉泰姆

2Mcz嘉泰姆

20Mcz嘉泰姆

12Mcz嘉泰姆

150Mcz嘉泰姆

Async-Boost, VGH Charge-Pump,VCOM, GPM,Mcz嘉泰姆

Voltage Detector,LDOMcz嘉泰姆

TQFN4X4-24Mcz嘉泰姆

CXLC8996AMcz嘉泰姆

2.5Mcz嘉泰姆

5.5Mcz嘉泰姆

640/Mcz嘉泰姆

1200Mcz嘉泰姆

2Mcz嘉泰姆

20Mcz嘉泰姆

12Mcz嘉泰姆

150Mcz嘉泰姆

Async-Boost,VGH Charge-Pump,VCOM,LDO,GPM,Mcz嘉泰姆

Voltage Detector,4-CH WLED   Driver,50mA/CHMcz嘉泰姆

TQFN5X5-40Mcz嘉泰姆

TQFN3.8X6.2Mcz嘉泰姆

CXLC8997Mcz嘉泰姆

2.5Mcz嘉泰姆

5.5Mcz嘉泰姆

640/Mcz嘉泰姆

1200Mcz嘉泰姆

2Mcz嘉泰姆

20Mcz嘉泰姆

12Mcz嘉泰姆

150Mcz嘉泰姆

Async-Boost,VGH Charge-Pump,VCOM, GPM,Mcz嘉泰姆

Voltage DetectorMcz嘉泰姆

TQFN4X4-24Mcz嘉泰姆

CXLC8998Mcz嘉泰姆

2.5Mcz嘉泰姆

5.5Mcz嘉泰姆

1200Mcz嘉泰姆

1.8Mcz嘉泰姆

20Mcz嘉泰姆

12Mcz嘉泰姆

150Mcz嘉泰姆

Async-Boost,VGH Charge-Pump,VGL Charge-Pump,Mcz嘉泰姆

Voltage Detector,1-CH WLEDdriver,240mA/CH,HVInputMcz嘉泰姆

TQFN4X4-24Mcz嘉泰姆

CXLC8999Mcz嘉泰姆

/BMcz嘉泰姆

8Mcz嘉泰姆

14Mcz嘉泰姆

500/Mcz嘉泰姆

750Mcz嘉泰姆

2.3Mcz嘉泰姆

19Mcz嘉泰姆

--Mcz嘉泰姆

--Mcz嘉泰姆

Async-Boost,Async-Buck,VGH/VGL,Charge-PumpMcz嘉泰姆

TSSOP-28(FD)Mcz嘉泰姆

CXLC89100Mcz嘉泰姆

/AMcz嘉泰姆

8Mcz嘉泰姆

14Mcz嘉泰姆

500/Mcz嘉泰姆

750Mcz嘉泰姆

3Mcz嘉泰姆

20Mcz嘉泰姆

45Mcz嘉泰姆

200Mcz嘉泰姆

Async-Boost,Async-Buck, VGH/VGL Charge-Pump, GPM,VCOM,Voltage Detector,HV LDOMcz嘉泰姆

TQFN7X7-48Mcz嘉泰姆

CXLC89101Mcz嘉泰姆

9.5Mcz嘉泰姆

14Mcz嘉泰姆

500~Mcz嘉泰姆

2000Mcz嘉泰姆

3.5Mcz嘉泰姆

20Mcz嘉泰姆

--Mcz嘉泰姆

--Mcz嘉泰姆

Async-Boost,Async-Buck,VGON and VGOFF RegulatorMcz嘉泰姆

TQFN5X5-28Mcz嘉泰姆

CXLC89102Mcz嘉泰姆

8Mcz嘉泰姆

14Mcz嘉泰姆

750/Mcz嘉泰姆

1000Mcz嘉泰姆

5Mcz嘉泰姆

24Mcz嘉泰姆

--Mcz嘉泰姆

--Mcz嘉泰姆

Async-Boost,Sync-Buck*2,Async-Buck,VGON and Mcz嘉泰姆

VGOFF Regulator,GPM,VGH Temp.Compensation,I2C Mcz嘉泰姆

TQFN6X6-40Mcz嘉泰姆

Mcz嘉泰姆

文章标签

暂无标签

发表评论

共有条评论
用户名: 密码:
验证码: 匿名发表

AI 智能助手